Sarah Beth charges two different tutoring rates rate a is a one time fee of $10 plus $10 per hour radius 12 per hour what are the latest numbers of hours she must tutor to make rate be the better paying tutoring rate for hours five hours six hours seven hours

true? is that what you're asking or do you mean something else?

b.my answer is b.

brainliest

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have